public void SetPosition(float posx, float posy)
{
FMOD.RESULT result;
mListenerPos.x = posx;
mListenerPos.y = posy;
mListenerPos.z = 0;
result = mSystem.set3DListenerAttributes(0, ref mListenerPos, ref mVel, ref mForward, ref mUp);
VirtualVoices.ERRCHECK(result);
}
public void Update(FMOD.System fmod)
{
FMOD.RESULT result;
//Trace.TraceError("setting ListenerPosition: " + listenerPosition.x.ToString() + ", " +
// listenerPosition.y.ToString() + ", " + listenerPosition.z.ToString());
result = fmod.set3DListenerAttributes(0, ref listenerPosition, ref listenerVelocity, ref listenerForward, ref listenerUp);
CheckRetCode(result);
result = fmod.update();
LogResults(result);
}
public void Set3DListenerAttributes(int listenerId, Vector3 location, Vector3 velocity, Vector3 forward, Vector3 up)
{
//Vectors here are changed into fmod's one so that in future it will be easier to modify them
FMOD.VECTOR FMODPos = SoundPlayer.FMODVectorFromVector3(location);
FMOD.VECTOR FMODvel = SoundPlayer.FMODVectorFromVector3(velocity);
FMOD.VECTOR FMODForw = SoundPlayer.FMODVectorFromVector3(forward);
FMOD.VECTOR FMODUp = SoundPlayer.FMODVectorFromVector3(up);
//Matrix.CreateTranslation(location).Up
FMOD.RESULT res = soundSystem.set3DListenerAttributes(listenerId, ref FMODPos, ref FMODvel, ref FMODForw, ref FMODUp);
if (res != FMOD.RESULT.OK)
{
throw new Exceptions.LoadFailException(FMOD.Error.String(res));
}
}
private void timer_Tick(object sender, System.EventArgs e)
{
FMOD.RESULT result;
// ==========================================================================================
// UPDATE THE LISTENER
// ==========================================================================================
FMOD.VECTOR forward = new FMOD.VECTOR();
forward.x = 0.0f; forward.y = 0.0f; forward.z = 1.0f;
FMOD.VECTOR up = new FMOD.VECTOR();
up.x = 0.0f; up.y = 1.0f; up.z = 0.0f;
FMOD.VECTOR vel = new FMOD.VECTOR();
if (listenerflag)
{
listenerpos.x = ((float)Math.Sin(t * 0.05f) * 33.0f * DISTANCEFACTOR); // left right pingpong
trackBarPosition.Value = (int)listenerpos.x;
}
// ********* NOTE ******* READ NEXT COMMENT!!!!!
// vel = how far we moved last FRAME (m/f), then time compensate it to SECONDS (m/s).
vel.x = (listenerpos.x - lastpos.x) * (1000 / INTERFACE_UPDATETIME);
vel.y = (listenerpos.y - lastpos.y) * (1000 / INTERFACE_UPDATETIME);
vel.z = (listenerpos.z - lastpos.z) * (1000 / INTERFACE_UPDATETIME);
// store pos for next time
lastpos = listenerpos;
result = system.set3DListenerAttributes(0, ref listenerpos, ref vel, ref forward, ref up);
ERRCHECK(result);
t += (30 * (1.0f / (float)INTERFACE_UPDATETIME)); // t is just a time value .. it increments in 30m/s steps in this example
if (system != null)
{
system.update();
}
}
public bool Update(float updatetime)
{
pos.x = m_position.x;
pos.y = m_position.y;
pos.z = m_position.z;
vel.x = (pos.x - lastPos.x) * (1 / updatetime);
vel.y = (pos.y - lastPos.y) * (1 / updatetime);
vel.z = (pos.z - lastPos.z) * (1 / updatetime);
//Update listener attributes
m_system.set3DListenerAttributes(0, ref pos, ref vel, ref forward, ref up);
m_position.x = pos.x;
m_position.y = pos.y;
m_position.z = pos.z;
lastPos = pos;
m_system.update();
return(true);
}
